Home / 3,125.41-4,313.06-1,709.11

Finding the Fourth Proportional to 3,125.41, 4,313.06 and 1,709.11

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Solution

The fourth proportional to 3,125.41, 4,313.06 and 1,709.11 is: 2,358.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.41 : 4,313.06 = 1,709.11 : x
  2. Step 2: Convert to fraction form
    3,125.41/4,313.06 = 1,709.11/x
  3. Step 3: Cross multiply
    3,125.41x = 4,313.06 × 1,709.11
  4. Step 4: Simplify right side
    3,125.41x = 7,371,493.98
  5. Step 5: Solve for x
    x = 7,371,493.98/3,125.41
  6. Step 6: Final answer
    x = 2,358.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.